Question

Q.1) Select and write the correct answer

i.) The range of nuclear force is nearly ______.

a) 1014m

b) 108m

c) 10-8m

d) 10-14m


ii.) Which of the following is an Ohmic conductor?

a) Transistor

b) Vacuum tube

c) Electrolyte

d) Nichrome wire


iii.) A bar magnet has geometric length 4.8 × 102m. the magnetic moment of the bar magnet of pole strength 20 Am

is_______.

a) 0.8 Am2

b) 0.6 Am2

c) 0.4 Am2

d) 1.0 Am2


iv.) A reverse bias diode is equivalent to______.

a) An off switch

b) An on switch

c) A low resistance

d) None of the above


v.) A mass 2m is moving with some speed is directly approaching another mass m. moving with double speed. After

some time , they collide with co-efficient of restitution 0.5. ratio of their respective speeds after

collision______.

a) 2/3

b) 3/2

c) 2

d) 1/2


vi.) The electrostatic and gravitational forces are similar because

a) Both are conservative

b) Both are central forces

c) Both follow inverse square law

d) All of these

​

Answer 1

Answer:

answer

( I ) (d) 10 - 14 m

( ii ) (a) transistor .

( IV ) ( b) an on switch .

please mark as brainliest answer

Answer 2

Answer:

(I) 10-14 m

(II) transistor

( Iv ) an on switch ..

Hope it help you ✌️❣️